doctype
html
	head
		meta(charset="utf-8")
		link(href="style/col.css", rel="stylesheet")
	body
		.container
			.col_1
				button(width:100px)
			.col_1
			.col_1
			.col_1
			.col_1
			.col_1
			.col_1
			.col_1
			.col_1
			.col_1
			.col_1
			.col_1